don't build upgrade.img anymore

fedup is deprecated and abandoned. Let's save time and disk by not
building `upgrade.img` when nothing is going to use it anymore.

For the record, performing upgrades using an initramfs from the new
system turns out to be fragile and hard to support:

* dracut initramfs isn't generic enough to handle booting all systems
  (e.g. missing vconsole.conf means you get keymaps wrong, so users
  can't unlock encrypted disks)

* The ABI differences between the two versions of plymouth, systemd,
  etc. requires nasty workarounds at best and causes nightmarish
  systemd crashes at worst

This patch removes all the code that built and installed `upgrade.img`.

For backwards compatibility, the API retains the `doupgrade` keyword
argument, and the `--noupgrade` flag is still accepted.

docs/lorax.1

@@ -78,9 +78,6 @@ volume id
 .TP
 \fB\-\-nomacboot\fR
 
-.TP
-\fB\-\-noupgrade\fR
-
 .TP
 \fB\-\-logfile=LOGFILE\fR
 Path to logfile
@@ -95,4 +92,3 @@ Martin Gracik
 Will Woods
 Brian C. Lane
 .fi
-

share/aarch64.tmpl

@@ -17,9 +17,6 @@ mkdir ${KERNELDIR}
     ## normal aarch64
     installkernel images-${basearch} ${kernel.path} ${KERNELDIR}/vmlinuz
     installinitrd images-${basearch} ${kernel.initrd.path} ${KERNELDIR}/initrd.img
-    %if doupgrade:
-        installupgradeinitrd images-${basearch} ${kernel.upgrade.path} ${KERNELDIR}/upgrade.img
-    %endif
 %endfor
 
 #FIXME: this will need adjusted when we have a real bootloader.

share/arm.tmpl

@@ -36,22 +36,6 @@ mkdir ${KERNELDIR}
         platforms = platforms + delimiter + kernel.flavor
         delimiter = ','
 %>
-
-        %if doupgrade:
-            ## install upgrade image
-            installupgradeinitrd images-${kernel.flavor}-${basearch} ${kernel.upgrade.path} ${KERNELDIR}/upgrade-${kernel.flavor}.img
-
-            runcmd mkimage \
-                 -A arm -O linux -T ramdisk -C none \
-                 -a 0 -e 0 \
-                 -n "${product.name} ${product.version} ${kernel.flavor} ${kernel.arch}" \
-                 -d ${outroot}/${KERNELDIR}/upgrade-${kernel.flavor}.img \
-                    ${outroot}/${KERNELDIR}/uUpgrade-${kernel.flavor}
-
-            treeinfo images-${kernel.flavor}-${basearch} uupgrade ${KERNELDIR}/uUpgrade-${kernel.flavor}
-
-        %endif
-
         ## create U-Boot wrapped images
 
         runcmd mkimage \
@@ -75,21 +59,6 @@ mkdir ${KERNELDIR}
         installkernel images-${basearch} ${kernel.path} ${KERNELDIR}/vmlinuz
         installinitrd images-${basearch} ${kernel.initrd.path} ${KERNELDIR}/initrd.img
 
-        %if doupgrade:
-            ## install upgrade image
-            installupgradeinitrd images-${basearch} ${kernel.upgrade.path} ${KERNELDIR}/upgrade.img
-
-	    runcmd mkimage \
-                -A arm -O linux -T ramdisk -C none \
-                -a 0 -e 0 \
-                -n "${product.name} ${product.version} ${kernel.flavor} ${kernel.arch}" \
-                -d ${outroot}/${KERNELDIR}/upgrade.img \
-                   ${outroot}/${KERNELDIR}/uUpgrade
-
-            treeinfo images-${basearch} uupgrade ${KERNELDIR}/uUpgrade
-
-        %endif
-
         ## create U-Boot wrapped images
 
         runcmd mkimage \
@@ -131,4 +100,3 @@ treeinfo ${basearch} platforms ${platforms}
 %>
 
 ## FIXME: ARM may need some extra boot config
-

share/ppc.tmpl

@@ -68,11 +68,6 @@ install ${configdir}/mapping ${BOOTDIR}
     installkernel images-${kernel.arch} ${kernel.path} ${KERNELDIR}/vmlinuz
     installinitrd images-${kernel.arch} ${kernel.initrd.path} ${KERNELDIR}/initrd.img
 
-    %if doupgrade:
-        ## upgrade image
-        installupgradeinitrd images-${kernel.arch} ${kernel.upgrade.path} ${KERNELDIR}/upgrade.img
-    %endif
-
     ## kernel-wrapper magic that makes the netboot combined ppc{32,64}.img
     runcmd ${inroot}/${WRAPPER} -p of \
            -D ${inroot}/${WRAPPER_DATA} \

share/ppc64le.tmpl

@@ -54,11 +54,6 @@ install ${configdir}/mapping ${BOOTDIR}
     installkernel images-${kernel.arch} ${kernel.path} ${KERNELDIR}/vmlinuz
     installinitrd images-${kernel.arch} ${kernel.initrd.path} ${KERNELDIR}/initrd.img
 
-    %if doupgrade:
-        ## upgrade image
-        installupgradeinitrd images-${kernel.arch} ${kernel.upgrade.path} ${KERNELDIR}/upgrade.img
-    %endif
-
     treeinfo images-${kernel.arch} zimage
 %endfor
 

share/s390.tmpl

@@ -26,11 +26,6 @@ replace @INITRD_LOAD_ADDRESS@ ${INITRD_ADDRESS} generic.ins
 installkernel images-${basearch} ${kernel.path} ${KERNELDIR}/kernel.img
 installinitrd images-${basearch} ${kernel.initrd.path} ${KERNELDIR}/initrd.img
 
-%if doupgrade:
-    ## upgrader image
-    installupgradeinitrd images-${basearch} ${kernel.upgrade.path} ${KERNELDIR}/upgrade.img
-%endif
-
 ## s390 needs some extra boot config
 createaddrsize ${INITRD_ADDRESS} ${outroot}/${BOOTDIR}/initrd.img ${outroot}/${BOOTDIR}/initrd.addrsize
 

share/x86.tmpl

@@ -44,30 +44,18 @@ mkdir ${KERNELDIR}
         ## i386 PAE
         installkernel images-xen ${kernel.path} ${KERNELDIR}/vmlinuz-${kernel.flavor}
         installinitrd images-xen ${kernel.initrd.path} ${KERNELDIR}/initrd-${kernel.flavor}.img
-        %if doupgrade:
-            installupgradeinitrd images-xen ${kernel.upgrade.path} ${KERNELDIR}/upgrade-${kernel.flavor}.img
-        %endif
     %else:
         ## normal i386, x86_64
         installkernel images-${basearch} ${kernel.path} ${KERNELDIR}/vmlinuz
         installinitrd images-${basearch} ${kernel.initrd.path} ${KERNELDIR}/initrd.img
-        %if doupgrade:
-            installupgradeinitrd images-${basearch} ${kernel.upgrade.path} ${KERNELDIR}/upgrade.img
-        %endif
     %endif
 %endfor
 
 hardlink ${KERNELDIR}/vmlinuz ${BOOTDIR}
 hardlink ${KERNELDIR}/initrd.img ${BOOTDIR}
-%if doupgrade:
-    hardlink ${KERNELDIR}/upgrade.img ${BOOTDIR}
-%endif
 %if basearch == 'x86_64':
     treeinfo images-xen kernel ${KERNELDIR}/vmlinuz
     treeinfo images-xen initrd ${KERNELDIR}/initrd.img
-    %if doupgrade:
-        treeinfo images-xen upgrade ${KERNELDIR}/upgrade.img
-    %endif
 %endif
 
 ## WHeeeeeeee, EFI.

src/pylorax/__init__.py

@@ -338,21 +338,6 @@ class Lorax(BaseLoraxClass):
 
         treebuilder.rebuild_initrds(add_args=anaconda_args)
 
-        if doupgrade:
-            # Build upgrade.img. It'd be nice if these could coexist in the same
-            # image, but that would increase the size of the anaconda initramfs,
-            # which worries some people (esp. PPC tftpboot). So they're separate.
-            try:
-                # If possible, use the 'fedup' plymouth theme
-                themes = runcmd_output(['plymouth-set-default-theme', '--list'],
-                                       root=installroot)
-                if 'fedup' in themes.splitlines():
-                    os.environ['PLYMOUTH_THEME_NAME'] = 'fedup'
-            except RuntimeError:
-                pass
-            upgrade_args = dracut_args + ["--add", "system-upgrade"]
-            treebuilder.rebuild_initrds(add_args=upgrade_args, prefix="upgrade")
-
         logger.info("populating output tree and building boot images")
         treebuilder.build()